Author:Smith, Andrew C; Gelderblom, HDate:Sep 2016This project investigated what a tangible programming environment could look like in which the program is an arrangement of personally meaningful objects. We identified Gestalt principles and Semiotic theory to be the theoretic foundations ...Read more
Author:Mulwa, WM; Ouma, CNM; Onani, MO; Dejene, FBDate:May 2016Substitutional energies, thermodynamic charge transition levels and optical properties of lanthanide doped anatase TiO(sub2) has been investigated using local density approximation with the Hubbard U correction (LDA+U) within the density ...Read more
Author:Thambiran, Tirusha; Padayachi, Yerdashin RDate:Oct 2017Energy changes, shifting to renewable, could lessen the environmental health problems associated with burning of fossil fuels and biomass fuels. Climate change is likely to have impacts on renewable energy production and distribution in ...Read more
Author:Masonta, Moshe T; Ntlatlapa, Ntsibane S; Mzyece, MDate:Sep 2009The rapid growth and development observed in wireless communications has resulted in the overcrowding of the radio spectrum used as a communication medium in wireless networks. In many countries, governmental agencies regulate the use of the ...Read more
Author:Spottiswoode, SM; Linzer, LM; Majiet, SDate:Sep 2008The researchers analysed seismicity in two deep gold mines in terms of strain energy release during mining. Mining took place with regularly-spaced dip pillars and backfill for regional support. The mines were chosen to represent mining of ...Read more
Author:Dzobo, O; Tazvinga, Henerica; Mungofa, E; Chihobo, CH; Chikuni, F; Chikuni, EDate:Jun 2017Lighting is an essential service in all industries. Recent innovation and continuous improvement in the field of lighting has given rise to tremendous energy saving opportunities in this area. This paper presents the results of an energy audit ...Read more
Author:Ntshabele, K; Isong, B; Dladlu, N; Abu-Mahfouz, Adnan MIDate:Jun 2019Cognitive radio sensor networks (CRSNs) employed clustering topology to help sensor nodes operate autonomously improve energy consumption, provide quality of service without causing any uncontrollable interference. Albeit, clustering topology ...Read more
Author:Masonta, Moshe T; Mzyece, M; Mekuria, FissehaDate:Oct 2012Over the past two decades wireless broadband networks have come to be considered the most convenient and reliable means of communications. This has led to an increased number of cellular base stations (BSs) deployed in both urban and rural ...Read more
Author:Masonta, Moshe T; Haddad, Y; De Nardis, L; Kliks, A; Holland, ODate:Sep 2012Energy consumption of mobile and wireless networks and devices is significant, indirectly increasing greenhouse gas emissions and energy costs for operators. Cognitive radio (CR) solutions can save energy for such networks and devices; moreover, ...Read more
Author:Simelane, Sengiphile N; Isaac, Nithin; Duma, Talent C; Chowdhury, SPDDate:Jun 2018The Council for Scientific and Industrial Research (CSIR) in Pretoria is currently implementing an energy autonomous programme aimed at creating an Energy- Autonomous Campus (EAC) by supplying energy from the three primary energy sources: ...Read more
Author:Kuchena, JDate:Feb 2010This presentation proposes energy efficient housing in South Africa, and presents the economic, social and environmental sustainability challenges it brings. The CSIR's expertise in terms of design, construction methods, material selection, ...Read more
Author:Olatinwo, DD; Abu-Mahfouz, Adnan MI; Hancke, GP; Myburgh, HCDate:May 2023Among the wireless body area network (WBAN) scarce resources, energy resource is an essential resource on which most of the WBAN biomedical devices activities depend upon. The biomedical devices are usually battery-powered and if they fail ...Read more
Author:Aron, FO; Olwal, TO; Kurien, A; Odhiambo, MODate:Aug 2008The control of the topology of a network makes it possible for the network nodes to reduce their power of transmission while ensuring that network connectivity is preserved. This paper explains the need for energy consumption control in ...Read more
Author:Osburn, LDate:Feb 2009Current perceptions conjure images of photovoltaic panels and wind turbines when green building or sustainable development is discussed. How energy is used and how it is generated are core components of both green building and sustainable ...Read more
Author:Fon, RC; Igboamalu, F; Ndjiongue, AR; Ouahada, K; Leke, C; Abu-Mahfouz, Adnan MIDate:Aug 2022The new concept of smart city requires numerous electronic devices such as actuator sensor interface distributed across multiple outdoor environment. The internet of things (IoT) plays a crucial role in connected devices via the internet. In ...Read more
Author:Osburn, LDate:Jan 2010The construction industry has turned to energy modelling in order to assist them in reducing the amount of energy consumed by buildings. However, while the energy loads of buildings can be accurately modelled, energy models often under-predict ...Read more
Author:Mabina, Paseka G; Mukoma, PeterDate:Nov 2019For years, utilities have used traditional demand response (DR) programmes to send out signals to consumers to reduce electricity consumption at times of high stress on the grid. Now, a new generation of communication and control technologies ...Read more
Author:Mhlanga, Martin M; Olwal, TO; Mutanga, MB; Adigun, MODate:Sep 2011It is everyone’s dream to have network connectivity anywhere at all times. This dream can only be realized provided there are feasible solutions that are put in place for the next generation of wireless works. Wireless Mesh Networks (WMNs) ...Read more
Author:Tazvinga, Henerica; Fore, SDate:Mar 2010This paper looks at an energy performance analysis for a photovoltaic, diesel, and battery hybrid power supply system. The procedure starts by the identification of the hourly load requirements for a typical target consumer and the concept ...Read more